As Quora User points out this is much too complicated to answer completely and accurately on Quora. To begin with there are so many variables for your business any one of which can impact your US tax obligations. read more
Most of the answer will depend upon the nature of the income involved, and the bilateral income tax treaty between the United States and the foreign country of residence of the party(IRS) who are the owners of the Delaware LLC. read more
An LLC does not pay taxes on profits. As regards tax a LLC is treated as a Partnership, but instead of partners they are called members. The LLC is a passthrough entity. As in Partnerships members can have a different percentage ownership to the share of profits. The LLC reports the share of the profits of the members. read more